2. 外语
  3. A. a fraction of an inch B. the creation of new entities C. the same amount of mass D. the tiniest particle E. an explosion of h

A. a fraction of an inch B. the creation of new entities C. the same amount of mass D. the tiniest particle E. an explosion of h

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问题 A. a fraction of an inch B. the creation of new entities
C. the same amount of mass D. the tiniest particle
E. an explosion of huge stars F. the existence of black holes
When a large star explodes, the gravity compacts every piece into______.
选项
答案D
解析 根据第二段内容“When these explode it can turn into a stellar—mass black hole，which can only occur if the star is large enough(should be bigger than the sun)for the explosion to break it into pieces，and the gravity starts to compact every piece into the tiniest p
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